verificator/es/rules/distinct.js

Client and server-side validation JavaScript library

import * as utils from '../utils';
const validate = (attribute, value, parameters, validator) => {
    const data = [];
    const attributeName = validator.getPrimaryAttribute(attribute);
    const path = attributeName.split('*')[0].replace(/^\.|\.$/g, '') || null;
    const attributeData = utils.flatten(validator.getValue(path));
    const attributeNameRegex = new RegExp(`^${utils.escape(attributeName).replace(/\\\*/g, '([^\.]+)')}`, 'u');
    Object.keys(attributeData).forEach(k => {
        const key = `${path}.${k}`;
        if (key !== attribute && attributeNameRegex.test(key)) {
            data.push(attributeData[k]);
        }
    });
    if (parameters.indexOf('ignore_case') > -1) {
        const regex = new RegExp(`${utils.escape(value)}`, 'iu');
        return data.filter(val => {
            return regex.test(val);
        }).length === 0;
    }
    return data.indexOf(value) === -1;
};
export default validate;